PERIODIC TABLE
MATTER
ELEMENTS
COMPOUNDS
PH SCALE
100
Where can you find elements of similar properties on the periodic table?
in the same groups
100
Iron sulfate, has the chemical formula Fe2SO4 . How many atoms of each element are in this compound?
2 iron, 1 sulfur, and 4 oxygen
100
what's the formula for 2 molecules of H2O
2H2O
100
true or false: a mixture can be separated physically
true
100
when an acid and a base is neutralized, what is the result?
a salt
200
Oxygen has an atomic number of 8. Which of the following elements would be most similar to oxygen in terms of its properties? N, F, S, or Cl?
S Sulfur
200
a molecule is made up of.......
two or more elements
200
what's the formula for 3 hydrogens H, 2 oxygen O, and sulfur S
H3O2S
200
What is it called when a mixture has a make up of uneven substances
heterogenous
200
rain water 5.8
drain cleaner 14
water 7
soda 3
which is a base
drain cleaner
300
165
300
a compound is made up of...................
two or more different elements
300
how many elements are in this formula Cl4H5O3
3
300
what is called when a mixture is made up of evenly distributed substances
homogenous
300
rain 5.7
creek water 7.9
pool water 7.4
sink water 6.8
which is more acidic
rain
400
67
400
two types of substances
element and compounds
400
Cl4H5O3 how many total atoms are in this formula
12
400
when sugar is dissolved in water, the solution is classified as.....
homogenous
400
what are the three types of ph scale categories
base, acid, neutral
500
Carbon dioxide, has the chemical formula CO2. How many atoms of each element are in this compound?
1 carbon and 2 oxygen
500
two types of mixtures
homogeous and heterogenous
500
how many total atoms are in the formala 3Cl2H4O2
24
500
flavored sugar mixed with water is called a ......
solution
500
water's ph scale
7 neutral